wmemmove
extern wchar_t *wmemmove(wchar_t *dest, const wchar_t *src, size_t n);
extern wchar_t *wmemmove (wchar_t *__s1, __const wchar_t *__s2, size_t __n)
B_DEFINE_WEAK_ALIAS(__wmemmove, wmemmove);
wchar_t* result = wmemmove(destination, source, 0);
wchar_t* result = wmemmove(destination, source, 1);
wchar_t* result = wmemmove(destination, destination + 4, 27);
wchar_t* result = wmemmove(destination + 2, destination, 8);